Zobrazeno 1 - 10 of 29 pro vyhledávání: '"W. M. Edmunds"'
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Akademický článek
The occurrence of groundwater in the Lower Palaeozoic rocks of upland Central Wales
Autor: C. Neal, A. J. Robson, P. Shand, W. M. Edmunds, A. J. Dixon, D. K. Buckley, S. Hill, M. Harrow, M. Neal, J. Wilkinson, B. Reynolds
Publikováno v: Hydrology and Earth System Sciences, Vol 1, Iss 1, Pp 3-18 (1997)
A series of boreholes of up to 50 m depth, drilled into Lower Palaeozoic mudstone, shale and greywacke bedrock in the headwater catchment areas of the River Severn at Plynlimon in Central Wales, shows an extensive chemically- and hydrologically-activ
Externí odkaz: https://doaj.org/article/406de653241d45aab0625b8d927ba82e
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3
The saline waters of Llandrindod and Builth, Central Wales
Autor: P. Shand, N.S. Robins, W. M. Edmunds
Publikováno v: Journal of the Geological Society. 155:627-637
Saline or brackish mineral waters have been recorded at several locations in mid-Wales and the Welsh borderlands. The main groups are centered on Llandrindod Wells and Builth Wells where maximum salinities of 5340 and 16 380 mg l −1 respectively ar
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::146243649ff3b315a9e5a32e1890f34d
https://doi.org/10.1144/gsjgs.155.4.0627
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4
Chemical catalysis of nitrate reduction by iron (II)
Autor: W. M. Edmunds, William Davison, Chris J. Ottley
Publikováno v: Geochimica et Cosmochimica Acta. 61:1819-1828
Experiments have been conducted to investigate the chemical reduction of nitrate under conditions relevant to the often low organic carbon environment of groundwaters. At pH 8 and 20 ± 2°C, in the presence of Cu(II), NO3− was chemically reduced b
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::69e238eccf7a43e80757938b221af875
https://doi.org/10.1016/s0016-7037(97)00058-6
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6
Geochemical mapping of stream water for environmental studies and mineral exploration in the UK
Autor: Neil Breward, Gwendy E.M. Hall, T.R. Lister, Dee Flight, Jennifer M. Cook, P. R. Simpson, W. M. Edmunds
Publikováno v: Journal of Geochemical Exploration. 49:63-88
The stream water hydrogeochemical database, prepared by the British Geological Survey's Geochemical Survey Programme, in conjunction with databases for stream sediments, soil samples and mineral concentrates, has recently been enhanced for a range of
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7f7e50c0912f1f458a0850f70049167a
https://doi.org/10.1016/0375-6742(93)90039-o
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7
Conceptual models for recharge sequences in arid and semi-arid regions using isotopic and geochemical methods
Autor: W. M. Edmunds
INTRODUCTION Groundwater quality issues now assume major importance in semi-arid and arid zones, since scarce reserves of groundwater (both renewable and non-renewable) are under threat due to accelerated development as well as a range of direct huma
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6bff890bc91b67d1551f077e1be20741
https://doi.org/10.1017/cbo9780511760280.004
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10
Silent Springs: Groundwater Resources Under Threat
Autor: W. M. Edmunds
Publikováno v: Managing Water Resources, Past and Present
Springs are symbolic of the sustainability of life on earth. Since the earliest times flowing springs have been held as sacred and as a subject of awe and fascination. Subterranean water is identified in the creation myths on Babylonian tablets, wher
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e8e65acfd6d9651e3a70b778e78c1a30
https://doi.org/10.1093/oso/9780199267644.003.0008
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